20% off with code: SUMMER20

Home Ikone NOVO_phone
Delivery within 2 work days
Free shipping over £50
100% satisfaction guarantee
60-day refund policy
-3%

Isotonic

4.86 / 5
71 Verified reviews

Instant isotonic drink for increased hydration and performance during physical activity

Replaces electrolytes lost through sweating, provides easily absorbed carbohydrates for energy and helps with muscle functions

  • Maximum hydration – pre, during & post workout hydration
  • With L-carnitine (500 mg per serving)
  • Substitues electrolytes – contains minerals lost through sweat and helps replenish them to maintain proper electrolyte balance
  • Rapid absorption – replenish fluids and electrolytes more efficiently
  • Crucial vitamins and minerals for performance (Vitamin C, Magnesium, Calcium, B complex)
  • Helps to reduce fatigue ²,³
  • Contributes to electrolyte balance ³
  • Contributes to normal muscle functions and normal protein synthesis ³
  • Contributes to maintaing immune system function during and after intense physical exercise ²
  • Delicious and refereshing orange taste

Get more energy and sufficient hydration to make the most of your exercise and day!

Net 400 g | for 20 days
How to use +

Mix 20 g (5 scoops) in a glass (500 mL) of water and drink before or during exercise. Weighing is recommended for accurate dosing.

Warnings:

The recommended daily amount or dose must not be exceeded. A nutritional supplement is not a substitute for a balanced and varied diet. Consumption during pregnancy and breastfeeding is not recommended. Store in a dry and cool place. Keep out of reach of children!

Due to natural variations in the properties of the active ingredients, the colour, taste and smell of the product may vary slightly from batch to batch. These changes do not affect the overall quality and performance of the product.

Key Ingredients +

Isotonic

Ingredients: maltodextrin, glucose, dextrose, vitamin C (ascorbic acid), magnesium citrate, natural orange flavor, stabilizer: cellulose, calcium citrate, L-carnitine, rock salt, B-complex (thiamine mononitrate, riboflavin, pyridoxine hydrochloride, cyanocobalamin, folate acid, calcium-D pantothenate, nicotine amide), Sweetener: steviol glycosides from stevia

Nutritional Value +
Nutritional values per 20 g
Vitamin C 2000 mg (2500% NRV*)
Magnesium citrate 150 mg (40% NRV*)
Calcium citrate 125 mg (15% NRV*)
L-carnitine 500 mg
B-complex 50 mg
– Vitamin B1 1,1 mg (100% NRV)
– Vitamin B2 1,4 mg (100% NRV)
– Vitamin B6 1,4 mg (100% NRV)
– Vitamin B1 2,5 µg (100% NRV)
– Folic acid 200 µg (100% NRV)
– Pantothenic acid 6 mg (100% NRV)
– Niacin 16 mg (100% NRV)

* NRV = nutritional reference value

£9.43 £9.73
Subscribe & save
One-time purchase

Switch to subscription and save £0.44
You can get the same for just £8.99. A convenient way to enjoy the best prices. You can change or cancel your subscription at any time!

Money-back guarantee for 60 days
Free shipping for orders from £50.00
Delivery within 2 working days
visa
mastercard
american_express
paypal

Questions? Call us: 020 8089 0131

Reviews

4.9
Based on 71 reviews
5 ★
64
4 ★
6
3 ★
0
2 ★
0
1 ★
1
Badge 1
Badge 2
Badge 3
Badge 4
Badge 5

Our customers also confirm that it works

4.9 / 5

Catherine
starstarstarstarstar5/5

I have been using Isotonic for my workouts for a few weeks now and I have to say I am really impressed with the results. It keeps me hydrated throughout my workout and I don't feel tired or fatigued like I used to. I also love the added vitamins and minerals that help support my immune system. Overall, great product!

Catherine
Mark
starstarstarstarstar5/5

As someone who plays sports regularly, I need to make sure I am properly hydrated and my electrolytes are in balance. Isotonic has been a game changer for me. It keeps me energized and helps me recover faster after an intense game. I also love the added L-carnitine which helps with muscle function.

Mark
Annie
starstarstarstarstar5/5

I recently started a new job which requires a lot of physical activity and I was struggling to keep up with the demands of the job. Isotonic has been a lifesaver for me. It keeps me hydrated and provides the energy I need to get through the day. I also love that it has added vitamins and minerals that contribute to normal psychological functions. I feel more focused and alert throughout the day.

Annie
Prev
Next

Made from scientifically proven active ingredients

L-Carnitine

1. L-Carnitine

L-carnitine is an amino acid derivative that plays a key role in the body’s metabolism of fat. It is a natural compound that is produced by the body itself or can be obtained from certain foods and food supplements.

Vitamin C

2. Vitamin C

Vitamin C plays a role in the protection of cells from oxidative stress. It contributes to the functioning of the nervous system, has a role in the functioning of the immune system and contributes to the reduction of tiredness and fatigue . Vitamin C also contributes to normal collagen formation.

Magnesium

3. Magnesium

Magnesium contributes to the normal functioning of the nervous system, muscle function, normal energy-yielding metabolism, and also contributes to electrolyte balance.

Calcium

4. Calcium

Calcium is an essential mineral that contributes to normal muscle function, to normal function of digestive enzymes and to maintenance of normal bones and normal teeth.

B-complex

5. B-complex

The B complex is a group of vitamins B1, B2, B6, B12, folic acid, pantothenic acid and niacin, which are important for our nervous system. In addition to their common function, each of the B vitamins has other important roles in our bodies.

Prev
Next
Traceability of our raw materials
Discover the nature in our supplements! We carefully select and monitor every ingredient to ensure optimal performance, backed by proven scientific effectiveness. Our commitment to transparent traceability guarantees the integrity and excellence of all the elements in our products. Our products are IFS Food Global Markets certified under registration no.: 00063/0 and ECO certificat under certified no.: EPR-26420/22-1.
60-days-Money-back-Badge-Landing_EN-white-300x300-1.png

60-day money-back guarantee

To make your purchase risk-free, we offer a 60-day money-back guarantee.
If you’re not completely satisfied with the product, simply contact us and we will refund your money.

-3%
Isotonic

Isotonic

Stay hydrated and reach your full potential.

  • Tasty and refreshing orange flavour
  • No added sugar, no artificial sweeteners, colours or preservatives
  • Maximum hydration - before, during and after exercise
  • With L-Carnitine (500 mg per serving)
  • Replaces electrolytes - contains minerals lost through sweating during exercise and helps to restore them to maintain the correct electrolyte balance
  • Fast absorption - more efficient fluid and electrolyte replenishment

Frequently Asked Questions from Our Users

FAQ Icon

How and why does it work?

Providing a balanced blend of carbohydrates, essential vitamins, minerals, electrolytes and fluids to support hydration and maintain optimal performance during physical activity, it is the perfect rehydration drink for all activities. With added L-Carnitine for maximum energy efficiency!

FAQ Icon

For whom is the product suitable?

Isotonic is suitable for anyone who is active and wants to take their training or performance to the next level. It replaces lost electrolytes and supports muscle function.

FAQ Icon

What ingredients does it contain?

Maltodextrin, glucose, dextrose, vitamin C, magnesium citrate, natural orange flavour, stabiliser: cellulose, calcium citrate, L-carnitine, rock salt, B-complex, sweetener: steviol glycoside.

FAQ Icon

What does it taste like?

Isotonic has a pleasant and refreshing orange flavour.

FAQ Icon

How long does shipping take?

We will do our best to process your order the same day and send it for delivery. On average, packages are delivered in 2 business days.

FAQ Icon

What if I don't like it?

No worries! If the product does not meet your expectations, we offer a 60-day refund.

Previous
Next
-3%

Isotonic

4.86 / 5
71 Verified reviews

Instant isotonic drink for increased hydration and performance during physical activity

Replaces electrolytes lost through sweating, provides easily absorbed carbohydrates for energy and helps with muscle functions

  • Maximum hydration – pre, during & post workout hydration
  • With L-carnitine (500 mg per serving)
  • Substitues electrolytes – contains minerals lost through sweat and helps replenish them to maintain proper electrolyte balance
  • Rapid absorption – replenish fluids and electrolytes more efficiently
  • Crucial vitamins and minerals for performance (Vitamin C, Magnesium, Calcium, B complex)
  • Helps to reduce fatigue ²,³
  • Contributes to electrolyte balance ³
  • Contributes to normal muscle functions and normal protein synthesis ³
  • Contributes to maintaing immune system function during and after intense physical exercise ²
  • Delicious and refereshing orange taste

Get more energy and sufficient hydration to make the most of your exercise and day!

Net 400 g | for 20 days
How to use +

Mix 20 g (5 scoops) in a glass (500 mL) of water and drink before or during exercise. Weighing is recommended for accurate dosing.

Warnings:

The recommended daily amount or dose must not be exceeded. A nutritional supplement is not a substitute for a balanced and varied diet. Consumption during pregnancy and breastfeeding is not recommended. Store in a dry and cool place. Keep out of reach of children!

Due to natural variations in the properties of the active ingredients, the colour, taste and smell of the product may vary slightly from batch to batch. These changes do not affect the overall quality and performance of the product.

Key Ingredients +

Isotonic

Ingredients: maltodextrin, glucose, dextrose, vitamin C (ascorbic acid), magnesium citrate, natural orange flavor, stabilizer: cellulose, calcium citrate, L-carnitine, rock salt, B-complex (thiamine mononitrate, riboflavin, pyridoxine hydrochloride, cyanocobalamin, folate acid, calcium-D pantothenate, nicotine amide), Sweetener: steviol glycosides from stevia

Nutritional Value +
Nutritional values per 20 g
Vitamin C 2000 mg (2500% NRV*)
Magnesium citrate 150 mg (40% NRV*)
Calcium citrate 125 mg (15% NRV*)
L-carnitine 500 mg
B-complex 50 mg
– Vitamin B1 1,1 mg (100% NRV)
– Vitamin B2 1,4 mg (100% NRV)
– Vitamin B6 1,4 mg (100% NRV)
– Vitamin B1 2,5 µg (100% NRV)
– Folic acid 200 µg (100% NRV)
– Pantothenic acid 6 mg (100% NRV)
– Niacin 16 mg (100% NRV)

* NRV = nutritional reference value

£9.43 £9.73
Subscribe & save
One-time purchase

Switch to subscription and save £0.44
You can get the same for just £8.99. A convenient way to enjoy the best prices. You can change or cancel your subscription at any time!

Money-back guarantee for 60 days
Free shipping for orders from £50.00
Delivery within 2 working days
visa
mastercard
american_express
paypal

Questions? Call us: 020 8089 0131

Customer reviews

2363
customer reviews
4.86/5
1 year ago by Michael K.

The customer only left a rating.

3 months ago by Chioma Konwea

Nice products… hoping for an excellent outcome

4 months ago by David Grady

Excellent product and excellent service and the products actually work!

3 months ago by Tristan Cooke

Easy to place order and informative

3 months ago by Maldwyn Harris

Thank you looking forward to trying it out

4 months ago by Sue Potts

Great easy ordering Thank you

6 months ago by Sean Goodwill

Excellent. Thank you

3 months ago by Maldwyn Harris

Simply The Best

6 months ago by Rose Chandler

Products are good value for money. Delivery is quick. Highly recommend.

1 year ago by Stephen L.

Great products that actually

6 months ago by Claire Hannis

Excellent website 😃

5 months ago by Thomas Smith

I found ordering your product was so easy, and wish all other sites to be like your site

11 months ago by Maxine Gould

Easy to order and great prices

6 months ago by iwona swiderska

Dziękuję polecam ❤️

9 months ago by Titilopemi Ogunmodede

Fast and Good service

10 months ago by Antonio Limos

Nice and easy

10 months ago by Inga Valaine

I can’t tell at the moment nothing really before I try out

3 months ago by malcolm hayward

Easy Webb Site to order

9 months ago by Fredy Espinosa

First time buyer, I expect good results with your products. Health first. 👍

1 year ago by Michelle Y.

The customer only left a rating.

Previous
Next
Badge 1
Badge 2
Badge 3
Badge 4
Badge 5

Isotonic

Ingredients: maltodextrin, glucose, dextrose, vitamin C (ascorbic acid), magnesium citrate, natural orange flavor, stabilizer: cellulose, calcium citrate, L-carnitine, rock salt, B-complex (thiamine mononitrate, riboflavin, pyridoxine hydrochloride, cyanocobalamin, folate acid, calcium-D pantothenate, nicotine amide), Sweetener: steviol glycosides from stevia

Nutritional values per 20 g
Vitamin C 2000 mg (2500% NRV*)
Magnesium citrate 150 mg (40% NRV*)
Calcium citrate 125 mg (15% NRV*)
L-carnitine 500 mg
B-complex 50 mg
– Vitamin B1 1,1 mg (100% NRV)
– Vitamin B2 1,4 mg (100% NRV)
– Vitamin B6 1,4 mg (100% NRV)
– Vitamin B1 2,5 µg (100% NRV)
– Folic acid 200 µg (100% NRV)
– Pantothenic acid 6 mg (100% NRV)
– Niacin 16 mg (100% NRV)

* NRV = nutritional reference value

Mix 20 g (5 scoops) in a glass (500 mL) of water and drink before or during exercise. Weighing is recommended for accurate dosing.

Warning:

The recommended daily amount or dose must not be exceeded. A nutritional supplement is not a substitute for a balanced and varied diet. Consumption during pregnancy and breastfeeding is not recommended. Store in a dry and cool place. Keep out of reach of children!

Due to natural variations in the properties of the active ingredients, the colour, taste and smell of the product may vary slightly from batch to batch. These changes do not affect the overall quality and performance of the product.

Frequently Asked Questions from Our Users

How long can I take it? Can I do the cure? +

The product can be taken continuously in moderation as part of a balanced diet.

When is the best time to take it? +

I recommend that the product is taken during or after exercise.

Can pregnant women and nursing mothers consume it? +

Pregnant and lactating women are discouraged from use.

Is it suitable for vegans? +

Yes, the product is suitable for vegans and vegetarians.

Can I take it alongside medication? +

Dietary supplements are foods that are intended to supplement your normal diet, if you are taking any medication, consult your personal doctor before taking a dietary supplement.

What can I do if I don't like the taste? And can I mix it with boiling water +

If you don’t like the taste, you can mix it into juice, smoothies or dissolve it in more water. We do not recommend consuming this product in hot water as this may destroy the effect of the active ingredients and vitamins.

Can children consume it? From what age can I consume the product? +

The product may be consumed by persons over 15 years of age.

Diabetics and other health conditions? +

This product contains maltodextrin, which increases blood sugar levels and is therefore not recommended for diabetics and in case of associated conditions, a personal physician should be consulted.

Are there possible side effects? +

The product is usually well tolerated and many users report no side effects. However, it is important to understand that each person reacts differently to dietary supplements. Consult a nutritionist or doctor before use, especially if you have any health problems or are taking medication.

Advice from our experts in addition to eating the product? +

1. regular physical activity 2. balanced diet 3. quality sleep 4. adequate hydration

Is the product suitable for both women and men? +

Yes, the product is suitable for women and men.

Is the product suitable for people with high blood pressure and thyroid problems? +

This product is intended for use by everyone, but in the case of existing medical conditions or medication, we recommend that individuals consult their personal physician before use.

Product not well mixed, lumps, contents floating on water? +

Clumps are a perfectly normal occurrence in a powder product that absorbs moisture. For a more homogeneous drink, stir vigorously with a shaker.

Why choose Nature`s Finest?

15

years of tradition

400+

unique products

50+

patented active ingredients

3mil+

satisfied customers

Natural

We believe in the perfection of nature. Our commitment extends to responsible sourcing of raw materials, including sustainability, ethics, and fair business principles. We prioritize eco-friendly packaging to reduce our carbon footprint.

The effectiveness of our products is confirmed by studies and research that are verifiable and repeatable. All our products are tested in independent laboratories, as our goal is to provide our customers with only the highest quality and effective products for their money.

Nature offers effective solutions for many challenges we face. Our experienced development team uses and combines these exceptional substances in our products so that the body can best utilize them. Active ingredients in our products are present in proven effective amounts, not just in small and negligible percentages.

Our products are tested through various user studies and trials that ensure their safety and effectiveness. We always listen carefully to the feedback from our customers and consider their opinions, criticisms, and suggestions to ensure that our products are truly tailored to their needs.

Meet our development experts

We are proud to have only the best experts in the field of nutrition and food supplements on our team, who ensure the development and exceptional quality of our products. With outstanding dedication, they lead studies and research and collaborate with external laboratories, inspection bodies, and other experts to ensure the highest quality and safety of our products.

With rich experience and professional knowledge of the industry, our experts strive to provide Nutrisslim customers with the most innovative products, thus maintaining its status as one of the leading companies in the field of nutrition and food supplements.

Meta Bizjak

M.Sc. Nutrition Engineering

Pia Fistrovič

Food and Nutrition Engineer

#WeAreNature

»Committed to delivering the most natural products to your home«

For more than 15 years, Nature’s Finest has been dedicated to offering natural solutions for those who wish to overcome challenges and discomforts through a lifestyle. We use only 100% natural ingredients, traditionally grown without additives or unnecessary processing. Whenever possible, we use ingredients from organic farming, supported by the SI-EKO-001 certificate.

Save with a subscription

Benefits of a subscription

  • If you subscribe today, additional 5% discount is applied on one time purchase price.
  • Save time - receive your shipment every month without needing to order.
  • You can cancel your subscription at any time in your account panel -> orders -> subscriptions section or just via mail.

Before your package is shipped, you will receive a reminder via email.